56228837 has 4 divisors (see below), whose sum is σ = 64261536. Its totient is φ = 48196140.

The previous prime is 56228807. The next prime is 56228839. The reversal of 56228837 is 73882265.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56228837 - 2¹⁰ = 56227813 is a prime.

It is a super-3 number, since 3×56228837³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56228794 and 56228803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56228839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4016339 + ... + 4016352.

It is an arithmetic number, because the mean of its divisors is an integer number (16065384).

Almost surely, 2^56228837 is an apocalyptic number.

It is an amenable number.

56228837 is a deficient number, since it is larger than the sum of its proper divisors (8032699).

56228837 is an equidigital number, since it uses as much as digits as its factorization.

56228837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8032698.

The product of its digits is 161280, while the sum is 41.

The square root of 56228837 is about 7498.5890006054. The cubic root of 56228837 is about 383.1066585945.

The spelling of 56228837 in words is "fifty-six million, two hundred twenty-eight thousand, eight hundred thirty-seven".